Mechanical Engineer Jobs in O'Fallon MO
1 day ago
11.
Senior Mechanical Engineer, Machinery Design & Automation
Engineering (Mechanical Engineer, Manufacturing Engineer, Engineering Design & Technologists)
MiTek Industries is hiring a Senior Mechanical Engineer in Earth City, Missouri. The role involves designing and supporting automated...
Senior Mechanical Engineer, Machinery Design & Automation JobListing for: MiTek Industries |
1 day ago
12.
KAI Adds Senior Project Manager, Estimator/Project Engineer to Build Group
Engineering (Engineering Design & Technologists, Civil Engineering, Mechanical Engineer, Building Services Engineer)
KAI Adds Senior Project Manager, Estimator/Project Engineer to Build Group - (St. Louis, MO, April 25, 2018) KAI has added two new...
KAI Adds Senior Project Manager, Estimator/Project Engineer to Build Group JobListing for: Prismpub |
1 day ago
13.
Mechanical Designer
Engineering (Engineering Design & Technologists, Mechanical Engineer, CAD/ AutoCAD/ Mechanical Design, Manufacturing Engineer)
Description Purpose of the Role - Create models and drawings using 3D CAD programs for fabrication and customer submittal packages. - Key...
Mechanical Designer JobListing for: Martin Energy Group |
1 day ago
14.
Mechanical Engineer II
Engineering (Engineering Design & Technologists, Mechanical Engineer, Electrical Engineering)
* Define and execute capital projects for facility repair and upgrades to ensure safe and efficient plant operations. Prepare...
Mechanical Engineer II JobListing for: ServiceSource Inc |
1 day ago
15.
Lead Mechanical Engineer
Engineering (Mechanical Engineer, Environmental Engineer, Building Services Engineer)
Clayco is a full - service, turnkey real estate development, master planning, architecture, engineering, and construction firm that...
Lead Mechanical Engineer JobListing for: Gilder Search Group |
1 day ago
16.
Plumbing/Fire Protection - Entry Level; STL St. Louis, MO
Engineering (Engineering Design & Technologists, Civil Engineering, Building Services Engineer, Mechanical Engineer)
Position: Plumbing/Fire Protection - Entry Level (STL) St. Louis, MO - If you think your skills, experience and aspirations make you a...
Plumbing/Fire Protection - Entry Level; STL St. Louis, MO JobListing for: CannonDesign |
1 day ago
17.
Senior Mechanical Engineer – Facilities & Projects
Engineering (Engineering Design & Technologists, Mechanical Engineer, Manufacturing Engineer)
A leading engineering firm in the United States is looking for a Mechanical Engineer to oversee capital projects, enhance facility...
Senior Mechanical Engineer – Facilities & Projects JobListing for: ServiceSource Inc |
1 day ago
18.
Field Service Engineer - EPI
Engineering (Systems Engineer, Field/Service Technician, Electrical Engineering, Mechanical Engineer)
## Field Service Engineer - EPIApplylocations: - St Peters,MOtime type: - Full time posted on: - Posted Todayjob requisition : -...
Field Service Engineer - EPI JobListing for: Applied Materials, Inc. |
1 day ago
19.
Senior Mechanical Engineer; Machinery Development & Design
Engineering (Mechanical Engineer, Engineering Design & Technologists, Manufacturing Engineer)
Senior Mechanical Engineer (Machinery Development & Design) page is loaded## Senior Mechanical Engineer (Machinery Development &...
Senior Mechanical Engineer; Machinery Development & Design JobListing for: MiTek Industries |
2 days ago
20.
Jurisdictional Boiler Inspector
Engineering (Mechanical Engineer)
Jurisdictional Boiler Inspector (Full‑Time) - Kansas City, MO/Iowa - $45‑55/hr (Thu, Feb 19th, 2026 10:21:48 am) - Job Details - This job...
Jurisdictional Boiler Inspector JobListing for: Boiler & Property Consulting, LLC |